Need help booking?
Unpublished phone-only deals available
FSI to FLR: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Florence (Peretola Airport)
5,444 mi
8,761 km · 4,731 nm
11h 8m
estimated nonstop flight time
+7h
time difference · heading northeast
See live FSI→FLR fares Phone-only fares on this route — call free
Flight time details
5,444 miles nonstop takes roughly 11h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- FLR — Peretola Airport · Florence, Italy
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near FLR
- SAY · Siena-Ampugnano Airport38 mi away
- PSA · Pisa International Airport41 mi away
- BLQ · Bologna Guglielmo Marconi Airport50 mi away
- FRL · Forlì Airport51 mi away
Frequently asked questions
How far is FSI from FLR?
The flight distance from Fort Sill (FSI) to Florence (FLR) is 5,444 miles (8,761 km, 4,731 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to FLR?
A nonstop flight takes about 11h 8m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Sill and Florence?
Florence is 7 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to FLR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–FLR that never appear on search engines, with no booking fees.